equilibrium humidity

例句：

1. 1.The equilibrium humidity in the room is perfect for a relaxing evening.
   房间内的平衡湿度非常适合放松的晚上。
2. 2. The scientist adjusted the temperature to maintain the equilibrium humidity.
   科学家调整了温度以维持平衡湿度。
3. 3. The equilibrium humidity is crucial for plant growth.
   平衡湿度对于植物生长至关重要。